Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

The changes in the carrying value of goodwill are detailed below by segment:

	Oilfield Services		Oilfield Equipment		Turbo-machinery & Process Solutions		Digital Solutions		Total
Balance at December 31, 2018, gross	$	15,382	$	4,177	$	2,186	$	2,432	$	24,177
Accumulated impairment at December 31, 2018	(2,633)		(867)		—		(254)		(3,754)
Balance at December 31, 2018	12,749		3,310		2,186		2,178		20,423
Currency exchange and others	—		9		(15)		(21)		(27)
Balance at December 31, 2019	12,749		3,319		2,171		2,157		20,396
Impairment	(11,428)		(3,289)		—		—		(14,717)
Currency exchange and others	(20)		(24)		63		41		60
Balance at December 31, 2020	$	1,301	$	6	$	2,234	$	2,198	$	5,739

Schedule of finite-lived intangible assets

Intangible assets are comprised of the following at December 31:

	2020						2019
	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Customer relationships	$	2,261	$	(916)	$	1,345	$	3,027	$	(1,045)	$	1,982
Technology	1,127		(696)		431		1,075		(626)		$	449
Trade names and trademarks	326		(181)		145		696		(254)		442
Capitalized software	1,294		(1,041)		253		1,193		(928)		265
Other	—		—		—		3		(2)		1
Finite-lived intangible assets (1)	5,008		(2,834)		2,174		5,994		(2,855)		3,139
Indefinite-lived intangible assets	2,223		—		2,223		2,242		—		2,242
Total intangible assets	$	7,231	$	(2,834)	$	4,397	$	8,236	$	(2,855)	$	5,381

(1)For the year ended December 31, 2020, we recorded intangible asset impairments to customer relationships of $481 million, technology of $8 million, trade names and trademarks of $237 million, and capitalized software of $3 million. See "Note 18. Restructuring, Impairment and Other" for further discussion.

Schedule of indefinite-lived intangible assets

Intangible assets are comprised of the following at December 31:

	2020						2019
	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Customer relationships	$	2,261	$	(916)	$	1,345	$	3,027	$	(1,045)	$	1,982
Technology	1,127		(696)		431		1,075		(626)		$	449
Trade names and trademarks	326		(181)		145		696		(254)		442
Capitalized software	1,294		(1,041)		253		1,193		(928)		265
Other	—		—		—		3		(2)		1
Finite-lived intangible assets (1)	5,008		(2,834)		2,174		5,994		(2,855)		3,139
Indefinite-lived intangible assets	2,223		—		2,223		2,242		—		2,242
Total intangible assets	$	7,231	$	(2,834)	$	4,397	$	8,236	$	(2,855)	$	5,381

(1)For the year ended December 31, 2020, we recorded intangible asset impairments to customer relationships of $481 million, technology of $8 million, trade names and trademarks of $237 million, and capitalized software of $3 million. See "Note 18. Restructuring, Impairment and Other" for further discussion.

Schedule of finite-lived intangible assets, future amortization expense

Estimated amortization expense for each of the subsequent five fiscal years is expected to be as follows:

Year	Estimated Amortization Expense
2021	$	255
2022	214
2023	200
2024	182
2025	142